2100110221222 has 16 divisors (see below), whose sum is σ = 3592043727552. Its totient is φ = 912265073280.

The previous prime is 2100110221201. The next prime is 2100110221229. The reversal of 2100110221222 is 2221220110012.

It is a happy number.

It is a super-2 number, since 2×2100110221222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100110221196 and 2100110221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100110221229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2375689854 + ... + 2375690737.

It is an arithmetic number, because the mean of its divisors is an integer number (224502732972).

Almost surely, 2^{2100110221222} is an apocalyptic number.

2100110221222 is a deficient number, since it is larger than the sum of its proper divisors (1491933506330).

2100110221222 is a wasteful number, since it uses less digits than its factorization.

2100110221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751380623.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2100110221222 its reverse (2221220110012), we get a palindrome (4321330331234).

The spelling of 2100110221222 in words is "two trillion, one hundred billion, one hundred ten million, two hundred twenty-one thousand, two hundred twenty-two".